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kdz_fw_upd_en_downloader.exe

Red Sky Sp. z o.o.

The application kdz_fw_upd_en_downloader.exe by Red Sky Sp. z o.o has been detected as a potentially unwanted program by 6 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. The file has been seen being downloaded from dn.4shared.net.
Publisher:
Red Sky Sp. z o.o.  (signed and verified)

MD5:
a0ecad15892a65ebe5a8186f00dcd986

SHA-1:
123c93fd71e662ce52016c3ea355e0a93fa6f004

SHA-256:
d30f7d802f4213624f24acde21e74d128caf423d0e3042bd368dabbbc16503ab

Scanner detections:
6 / 68

Status:
Potentially unwanted

Analysis date:
4/19/2024 11:24:12 AM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win.Threat.Undefined
141003-0

Dr.Web
Threat.Undefined
9.0.1.05190

G Data
Win32.Application.SimplyTech
14.10.24

Malwarebytes
PUP.Optional.DownTango.A
v2014.10.08.08

Reason Heuristics
PUP.Optional.RedSkySpzoo.Y
14.10.8.18

Trend Micro House Call
HV_ZYX_BK083E88.TOMC
7.2.281

File size:
4.1 MB (4,305,120 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\downloads\kdz_fw_upd_en_downloader.exe

Digital Signature
Signed by:
Red Sky Sp. z o.o.

Authority:
DigiCert Inc

Valid from:
2/24/2012 1:00:00 AM

Valid to:
2/28/2013 1:00:00 PM

Subject:
CN=Red Sky Sp. z o.o., O=Red Sky Sp. z o.o., L=Szczecin, S=Zachodniopomorskie, C=PL

Issuer:
CN=DigiCert Assured ID Code Signing CA-1, OU=www.digicert.com, O=DigiCert Inc, C=US

Serial number:
0CC9BDBB8334FB4F1CF14EF9A50DA775

File PE Metadata
Compilation timestamp:
12/5/2009 11:50:46 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
98304:p7v1jMM0uLmmOsfWuoZWSasdia/rxbsLnjVhi:p7voSf1eWZsdia/9bsLRhi

Entry address:
0x323C

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 30, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B4, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 58, 3F, 42, 00, E8, 09, 2C, 00, 00, A3, A4, 3E, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 58, F4, 41, 00, FF, 15, 58, 71, 40, 00, 68, B8, 91, 40, 00, 68, A0, 36, 42, 00, E8, BC, 28, 00, 00, FF, 15, B0, 70, 40, 00, BF, 00, 90, 42, 00, 50, 57, E8, AA, 28, 00, 00...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file kdz_fw_upd_en_downloader.exe has been seen being distributed by the following URL.

http://dn.4shared.net/?u=http://.../?6twmags2a3o3cin&n=KDZ_FW_UPD_EN

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